package com.atguigu.gulimall.product.config;

import com.alibaba.fastjson.support.spring.GenericFastJsonRedisSerializer;
import org.springframework.boot.autoconfigure.cache.CacheProperties;
import org.springframework.boot.context.properties.EnableConfigurationProperties;
import org.springframework.cache.annotation.EnableCaching;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.data.redis.cache.RedisCacheConfiguration;
import org.springframework.data.redis.serializer.RedisSerializationContext;
import org.springframework.data.redis.serializer.StringRedisSerializer;

/**
 * @author ming
 * @create 2022/5/1
 * @description:
 */
@Configuration
@EnableCaching
@EnableConfigurationProperties(CacheProperties.class)
public class MyCacheConfig {
  //CacheProperties cacheProperties;

  /**
   * 配置文件用不上
   */
  @Bean
  //方法用到的所有参数从容器中拿到
  public RedisCacheConfiguration redisCacheConfiguration(CacheProperties cacheProperties){
    RedisCacheConfiguration config = RedisCacheConfiguration.defaultCacheConfig();
    //config = config.entryTtl()
    config = config.serializeKeysWith(RedisSerializationContext.SerializationPair.fromSerializer(new StringRedisSerializer()));
    config = config.serializeValuesWith(RedisSerializationContext.SerializationPair.fromSerializer(new GenericFastJsonRedisSerializer()));
    //将配置文件读取设置出来
    CacheProperties.Redis redisProperties = cacheProperties.getRedis();
    if (redisProperties.getTimeToLive() != null) {
      config = config.entryTtl(redisProperties.getTimeToLive());
    }
    if (redisProperties.getKeyPrefix() != null) {
      config = config.prefixKeysWith(redisProperties.getKeyPrefix());
    }
    if (!redisProperties.isCacheNullValues()) {
      config = config.disableCachingNullValues();
    }
    if (!redisProperties.isUseKeyPrefix()) {
      config = config.disableKeyPrefix();
    }
    return config;

  }
  
}
